So, in support we deal with a lot of issues pertaining to Exchange 2007 and Exchange 2010 provisioning. These can be educational calls as well as troubleshooting calls, to help understand the changes that happended with Exchange 2007 and Exchange 2010...

I put together some steps on moving the backend synchronization service database without having to execute an uninstall/reinstall. We can simply modify the registry key.
How to: move the backend SQL Server Synchronization Service Database
http:...